Patch 1, add UMP518 pmic adc description and sample in dt-bindings.
Patch 2, add UMP serise pmic adc driver, support both voltage and current mode.

Mingjin Yang (2):
  dt-bindings: iio: adc: Add support for ump518 pmic adc
  iio: adc: sprd_pmic_adc: Add support for UMP serise pmic adc

 .../bindings/iio/adc/sprd,sc2720-adc.yaml     |    2 +
 drivers/iio/adc/Kconfig                       |   10 +
 drivers/iio/adc/Makefile                      |    1 +
 drivers/iio/adc/sprd_pmic_adc.c               | 1298 +++++++++++++++++
 4 files changed, 1311 insertions(+)
 create mode 100644 drivers/iio/adc/sprd_pmic_adc.c

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2.17.1